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Iteration Layer

Composable APIs for document and image processing. Extract data from PDFs, transform images, generate documents and spreadsheets — one API key, one credit pool. EU-hosted, GDPR-compliant.

Location Canary Islands, Spain, EU Joined Joined on  Personal website https://iterationlayer.com
The Model Is Not the Moat. The Orchestration Layer is.

The Model Is Not the Moat. The Orchestration Layer is.

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6 min read
Shadow AI Needs an Approved Toolchain

Shadow AI Needs an Approved Toolchain

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5 min read
Security Enables Sensitive AI Workflows

Security Enables Sensitive AI Workflows

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5 min read
Messy Enterprise Data Is Not a Blocker Anymore

Messy Enterprise Data Is Not a Blocker Anymore

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6 min read
Legal Will Block Your AI Workflow

Legal Will Block Your AI Workflow

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6 min read
AI Document Workflows Should Sell Speed, Not Just Efficiency

AI Document Workflows Should Sell Speed, Not Just Efficiency

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6 min read
From Supplier Email to Approval Report: An Agent Workflow for Operations Teams

From Supplier Email to Approval Report: An Agent Workflow for Operations Teams

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8 min read
Turn Research PDFs into Decision Briefs with an AI Agent

Turn Research PDFs into Decision Briefs with an AI Agent

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7 min read
MCP First, REST Later: How AI Workflows Mature into Production Pipelines

MCP First, REST Later: How AI Workflows Mature into Production Pipelines

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9 min read
EU-Hosted AI Agent Workflows for Client Document Processing

EU-Hosted AI Agent Workflows for Client Document Processing

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8 min read
Build a Client Deliverable Agent with Claude Cowork and Iteration Layer

Build a Client Deliverable Agent with Claude Cowork and Iteration Layer

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8 min read
Forms, Tables, and Free Text Need Different Extraction Strategies

Forms, Tables, and Free Text Need Different Extraction Strategies

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7 min read
Form Extraction Fails Because People Do Not Fill Forms Cleanly

Form Extraction Fails Because People Do Not Fill Forms Cleanly

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7 min read
Long Documents Fail Differently Than Large Batches

Long Documents Fail Differently Than Large Batches

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7 min read
Treat the LLM as a Document Worker, Not the Workflow Owner

Treat the LLM as a Document Worker, Not the Workflow Owner

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7 min read
Document Provenance for API-First Workflows

Document Provenance for API-First Workflows

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7 min read
Large Document Packets Need Workflow Boundaries, Not Bigger Prompts

Large Document Packets Need Workflow Boundaries, Not Bigger Prompts

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7 min read
How We Generate Our Invoices with Our Own Document Generation Api

How We Generate Our Invoices with Our Own Document Generation Api

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8 min read
The Document Intake Contract Nobody Designs Until It Breaks

The Document Intake Contract Nobody Designs Until It Breaks

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7 min read
Audit Trails for AI Document Workflows: What To Store

Audit Trails for AI Document Workflows: What To Store

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7 min read
Why n8n Workflows Break When Every Step Uses a Different Vendor

Why n8n Workflows Break When Every Step Uses a Different Vendor

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8 min read
How to Route Low-Confidence Document Fields to Human Review in n8n

How to Route Low-Confidence Document Fields to Human Review in n8n

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8 min read
Building Reliable File Processing Pipelines without Glue Code

Building Reliable File Processing Pipelines without Glue Code

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8 min read
How Agencies Can Productize Document Processing Across Clients

How Agencies Can Productize Document Processing Across Clients

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7 min read
Document Automation in n8n: Build the Workflow, Not Just the OCR Step

Document Automation in n8n: Build the Workflow, Not Just the OCR Step

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7 min read
MCP vs REST APIs: When Agents Should Call Tools and When Your Code Should

MCP vs REST APIs: When Agents Should Call Tools and When Your Code Should

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8 min read
The Hidden Failure Modes of PDF Processing

The Hidden Failure Modes of PDF Processing

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7 min read
How to Evaluate Document Extraction APIs

How to Evaluate Document Extraction APIs

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9 min read
EU-Hosted AI Workflows Are a Data Flow Problem, Not a Region Checkbox

EU-Hosted AI Workflows Are a Data Flow Problem, Not a Region Checkbox

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7 min read
Automating Content Operations for Professional Services Teams

Automating Content Operations for Professional Services Teams

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8 min read
Why We Rebuilt Iteration Layer in Elixir

Why We Rebuilt Iteration Layer in Elixir

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9 min read
Sheet Generation API: Structured JSON In, Formatted Spreadsheet Out

Sheet Generation API: Structured JSON In, Formatted Spreadsheet Out

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5 min read
Image Crop API for Smart Cropping and Resizing

Image Crop API for Smart Cropping and Resizing

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5 min read
Convert Markdown to Styled PDF in n8n

Convert Markdown to Styled PDF in n8n

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6 min read
Process Images From Your Coding Session — Smart Crop, Convert, Compress via MCP

Process Images From Your Coding Session — Smart Crop, Convert, Compress via MCP

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5 min read
Optimize Product Images for Amazon, Shopify, and the Web

Optimize Product Images for Amazon, Shopify, and the Web

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10 min read
Compose Branded Graphics from Your AI Assistant — No Design Tools Required

Compose Branded Graphics from Your AI Assistant — No Design Tools Required

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6 min read
Extract IBANs, Currencies, and Addresses from Financial Documents — Validated, Not Just Strings

Extract IBANs, Currencies, and Addresses from Financial Documents — Validated, Not Just Strings

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7 min read
Generate Hundreds of Social Media Images from a Single Template

Generate Hundreds of Social Media Images from a Single Template

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4 min read
Generate Formatted Excel Spreadsheets in n8n

Generate Formatted Excel Spreadsheets in n8n

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5 min read
Generate Print-Ready Book Covers Programmatically — A Self-Publisher's Guide

Generate Print-Ready Book Covers Programmatically — A Self-Publisher's Guide

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6 min read
Convert Any Document to Clean Markdown in n8n

Convert Any Document to Clean Markdown in n8n

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5 min read
Read Any Document From Claude Code or Cursor — PDF, DOCX, Scans, Images via MCP

Read Any Document From Claude Code or Cursor — PDF, DOCX, Scans, Images via MCP

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5 min read
Generate PDFs and Word Documents Inside Claude Code and Cursor with MCP

Generate PDFs and Word Documents Inside Claude Code and Cursor with MCP

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7 min read
Parse Documents Inside Claude and Cursor with MCP — No Code Required

Parse Documents Inside Claude and Cursor with MCP — No Code Required

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6 min read
One Conversation, One Composable Content Pipeline

One Conversation, One Composable Content Pipeline

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7 min read
Composable APIs vs. Point Solutions: Total Cost of Ownership for Content Processing

Composable APIs vs. Point Solutions: Total Cost of Ownership for Content Processing

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11 min read
The Complete Guide to Programmatic Image Generation

The Complete Guide to Programmatic Image Generation

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12 min read
The Complete Guide to Document Parsing in 2026

The Complete Guide to Document Parsing in 2026

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14 min read
Chain Document Extraction, Image Processing, and Generation in a Single Claude Code Session

Chain Document Extraction, Image Processing, and Generation in a Single Claude Code Session

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7 min read
Best Image Transformation APIs in 2026

Best Image Transformation APIs in 2026

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15 min read
Best Image Generation APIs in 2026

Best Image Generation APIs in 2026

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12 min read
Best Document Generation APIs in 2026

Best Document Generation APIs in 2026

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14 min read
Best Document Extraction APIs in 2026

Best Document Extraction APIs in 2026

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16 min read
Convert Thousands of Images Between Formats with a Single API

Convert Thousands of Images Between Formats with a Single API

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5 min read
Run a Complete Image Processing Pipeline with the Iteration Layer n8n Node

Run a Complete Image Processing Pipeline with the Iteration Layer n8n Node

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6 min read
Automate Your Self-Publishing Pipeline with APIs

Automate Your Self-Publishing Pipeline with APIs

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9 min read
Process Invoices in n8n Without Burning LLM Credits on Every Document

Process Invoices in n8n Without Burning LLM Credits on Every Document

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6 min read
API Composability Patterns for Content Pipelines

API Composability Patterns for Content Pipelines

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8 min read
AI Image Upscaling: How It Works and When to Use It

AI Image Upscaling: How It Works and When to Use It

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7 min read
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